Follow-up to r25766.
Follow-up to r25766.

* subversion/libsvn_client/externals.c
  (switch_external): Pass ignore_externals=FALSE to
   svn_client__switch_internal().

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion